001    package net.minecraft.src;
002    
003    import cpw.mods.fml.common.Side;
004    import cpw.mods.fml.common.asm.SideOnly;
005    import org.lwjgl.opengl.GL11;
006    
007    @SideOnly(Side.CLIENT)
008    public class EntityPickupFX extends EntityFX
009    {
010        private Entity entityToPickUp;
011        private Entity entityPickingUp;
012        private int age = 0;
013        private int maxAge = 0;
014    
015        /** renamed from yOffset to fix shadowing Entity.yOffset */
016        private float yOffs;
017    
018        public EntityPickupFX(World par1World, Entity par2Entity, Entity par3Entity, float par4)
019        {
020            super(par1World, par2Entity.posX, par2Entity.posY, par2Entity.posZ, par2Entity.motionX, par2Entity.motionY, par2Entity.motionZ);
021            this.entityToPickUp = par2Entity;
022            this.entityPickingUp = par3Entity;
023            this.maxAge = 3;
024            this.yOffs = par4;
025        }
026    
027        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
028        {
029            float var8 = ((float)this.age + par2) / (float)this.maxAge;
030            var8 *= var8;
031            double var9 = this.entityToPickUp.posX;
032            double var11 = this.entityToPickUp.posY;
033            double var13 = this.entityToPickUp.posZ;
034            double var15 = this.entityPickingUp.lastTickPosX + (this.entityPickingUp.posX - this.entityPickingUp.lastTickPosX) * (double)par2;
035            double var17 = this.entityPickingUp.lastTickPosY + (this.entityPickingUp.posY - this.entityPickingUp.lastTickPosY) * (double)par2 + (double)this.yOffs;
036            double var19 = this.entityPickingUp.lastTickPosZ + (this.entityPickingUp.posZ - this.entityPickingUp.lastTickPosZ) * (double)par2;
037            double var21 = var9 + (var15 - var9) * (double)var8;
038            double var23 = var11 + (var17 - var11) * (double)var8;
039            double var25 = var13 + (var19 - var13) * (double)var8;
040            int var27 = MathHelper.floor_double(var21);
041            int var28 = MathHelper.floor_double(var23 + (double)(this.yOffset / 2.0F));
042            int var29 = MathHelper.floor_double(var25);
043            int var30 = this.getBrightnessForRender(par2);
044            int var31 = var30 % 65536;
045            int var32 = var30 / 65536;
046            OpenGlHelper.setLightmapTextureCoords(OpenGlHelper.lightmapTexUnit, (float)var31 / 1.0F, (float)var32 / 1.0F);
047            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
048            var21 -= interpPosX;
049            var23 -= interpPosY;
050            var25 -= interpPosZ;
051            RenderManager.instance.renderEntityWithPosYaw(this.entityToPickUp, (double)((float)var21), (double)((float)var23), (double)((float)var25), this.entityToPickUp.rotationYaw, par2);
052        }
053    
054        /**
055         * Called to update the entity's position/logic.
056         */
057        public void onUpdate()
058        {
059            ++this.age;
060    
061            if (this.age == this.maxAge)
062            {
063                this.setDead();
064            }
065        }
066    
067        public int getFXLayer()
068        {
069            return 3;
070        }
071    }